Using the CancellationToken

Program.cs

namespace manage_multithreading
{
    class Program
    {
        static void Main(string[] args)
        {
            CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
            CancellationToken token = cancellationTokenSource.Token;
            int theCount = 0;
            Console.WriteLine("Task running...Count from 0 to...");
            Console.WriteLine("Press ENTER to interrupt the execution!");
            Task theIncredibleTask = Task.Run(() =>
            {
                while (!token.IsCancellationRequested)
                {
                    Thread.Sleep(1000);
                    Console.WriteLine(theCount.ToString());
                    theCount++;
                }
            }, token);

            Console.ReadLine();
            cancellationTokenSource.Cancel();

            Console.WriteLine("Execution cancelled!");
            Console.ReadLine();
        }
    }
}